2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 Nordix Foundation.
4 * ================================================================================
5 * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.clamp.controlloop.participant.intermediary.comm;
25 import java.util.function.Consumer;
26 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantAckMessage;
27 import org.onap.policy.clamp.controlloop.participant.intermediary.handler.Listener;
28 import org.onap.policy.clamp.controlloop.participant.intermediary.handler.ParticipantHandler;
29 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
30 import org.onap.policy.common.endpoints.listeners.ScoListener;
31 import org.onap.policy.common.utils.coder.StandardCoderObject;
34 * Abstract Listener for Participant Ack messages sent by runtime.
36 public abstract class ParticipantAckListener<T extends ParticipantAckMessage> extends ScoListener<T>
39 private final ParticipantHandler participantHandler;
40 private final Consumer<T> consumer;
43 * Constructs the object.
45 * @param clazz class of message this handles
46 * @param participantHandler ParticipantHandler
47 * @param consumer function that handles the message
49 protected ParticipantAckListener(Class<T> clazz, ParticipantHandler participantHandler, Consumer<T> consumer) {
51 this.participantHandler = participantHandler;
52 this.consumer = consumer;
56 public void onTopicEvent(CommInfrastructure infra, String topic, StandardCoderObject sco, T message) {
57 if (participantHandler.appliesTo(message)) {
58 consumer.accept(message);
63 public ScoListener<T> getScoListener() {